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Method of sacrificial anode transistor-driving in cathodic protection system

Abstract

A magnesium anode driving system has been proposed. A PNP driving transistor has been used. Electrochemical testing in 3%NaCl, results and comparison of the driving system and classic direct anode to cathode connection are presented. The driving system reduced the protection current and stabilized the working conditions of the anode. Higher anode efficiency was achieved. Overprotection and hydrogen embrittlement threats were prevented and the potential of the cathode met the protection criterion. The expected anode operating time has been prolonged.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
CORROSION SCIENCE no. 88, pages 275 - 279,
ISSN: 0010-938X
Language:
English
Publication year:
2014
Bibliographic description:
Narożny M., Żakowski K., Darowicki K.: Method of sacrificial anode transistor-driving in cathodic protection system// CORROSION SCIENCE. -Vol. 88, (2014), s.275-279
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.corsci.2014.07.041
Bibliography: test
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Gdańsk University of Technology

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